Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8024776 | Relay device, authentication server, and authentication method | — | 2011-09-20 |
| 7925262 | System and associated method of maintaining packet switching capability in a cellular network | Kazuyuki Kozu, Kota Fujimura, Takashi Suzuki | 2011-04-12 |